3M Hookit Blue Abrasive Sheet Roll 321U 36195, 320+, Multi-hole, 2-3/4 in x 13 yd (69.85 mm x 11.89 m), 4 Cartons/Case The 3M Hookit Blue Abrasive Sheet Rolls 321U are sanding sheets made with a blend of premium aluminium oxide and ceramic grain, designed for paint preparation and coatings removalThey feature a multi-hole pattern for dust capture and perforations for easy sizing. Product Information Brand 3M Part # 7100219220 Origin Country Canada Product InformationAvailable in various grades for different sanding needsBlends ceramic and aluminium oxide for effective sandingDesigned for extended sheet life with an anti-loading coatingHookit hook-and-loop for easy attachment and reuseMulti-hole pattern captures dust, reducing loadingPerforated sheets for easy sizing and reduced wasteSuitable for paint preparation and coatings removal